330765220469 has 2 divisors, whose sum is σ = 330765220470. Its totient is φ = 330765220468.

The previous prime is 330765220459. The next prime is 330765220477. The reversal of 330765220469 is 964022567033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 324569484100 + 6195736369 = 569710^2 + 78713^2 .

It is a cyclic number.

It is not a de Polignac number, because 330765220469 - 2¹² = 330765216373 is a prime.

It is a super-2 number, since 2×330765220469² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330765220459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165382610234 + 165382610235.

It is an arithmetic number, because the mean of its divisors is an integer number (165382610235).

Almost surely, 2^330765220469 is an apocalyptic number.

It is an amenable number.

330765220469 is a deficient number, since it is larger than the sum of its proper divisors (1).

330765220469 is an equidigital number, since it uses as much as digits as its factorization.

330765220469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 47.

The spelling of 330765220469 in words is "three hundred thirty billion, seven hundred sixty-five million, two hundred twenty thousand, four hundred sixty-nine".